Rein Therapeutics Inc. (RNTX) Insider Trading
Over the last 3 months, RNTX insiders made 5 open-market buys and 0 sales, a net purchase of $75K (SEC Form 4). Over the last 6 months, 30 institutions increased and 10 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
5
Sells (3m)
0
Net (3m)
$74.6K
Insiders buying
Insider trades by month Buys Sells
Oct
Nov
May
Context3-month price -15%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 28, 2026 | VON RICKENBACH JOSEF Hdirector | Buy | 23,190 | $1.06 |
| May 28, 2026 | VON RICKENBACH JOSEF Hdirector | Buy | 15,950 | $1.05 |
| May 28, 2026 | VON RICKENBACH JOSEF Hdirector | Buy | 3,420 | $1.04 |
| May 28, 2026 | VON RICKENBACH JOSEF Hdirector | Buy | 4,500 | $1.07 |
| May 13, 2026 | WINDSOR JAMES BRIANdirector, officer: See Remarks | Buy | 25,000 | $1.00 |
| May 13, 2026 | WINDSOR JAMES BRIANdirector, officer: See Remarks | Grant | 150,000 | $1.17 |
| Nov 18, 2025 | Voss Capital, LP10 percent owner | Buy | 104,183 | $1.22 |
| Oct 28, 2025 | Voss Capital, LP10 percent owner | Buy | 4,840 | $1.37 |
| Oct 28, 2025 | Voss Capital, LP10 percent owner | Buy | 178,392 | $1.39 |
| Oct 28, 2025 | Voss Capital, LP10 percent owner | Buy | 30,176 | $1.39 |
| Oct 28, 2025 | Voss Capital, LP10 percent owner | Buy | 92,642 | $1.37 |
| Jul 23, 2025 | Musso Alan Adirector | Grant | 17,500 | $1.55 |
| Jul 23, 2025 | Aivado Manueldirector | Grant | 17,500 | $1.55 |
| Jul 23, 2025 | Fairey Williamdirector | Grant | 17,500 | $1.55 |
| Jul 23, 2025 | Ambros Reinhard J.director | Grant | 17,500 | $1.55 |
| Jul 23, 2025 | VON RICKENBACH JOSEF Hdirector | Grant | 17,500 | $1.55 |
Source: RNTX SEC Form 4 filings, latest May 28, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their RNTX positions over the last 6 months (SEC Form 13F).
Increased
30
New positions
20
Reduced
10
Sold out
13
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VOSS CAPITAL, LLC | Increased | 4.4M | May 15, 2026 |
| VOSS CAPITAL, LLC | Increased | 4.2M | Feb 13, 2026 |
| BIOS CAPITAL MANAGEMENT, LP | Increased | 2.0M | May 13, 2026 |
| BIOS CAPITAL MANAGEMENT, LP | Unchanged | 1.7M | Feb 13, 2026 |
| VANGUARD GROUP INC | Reduced | 1.2M | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 999K | May 15, 2026 |
| UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGMENT CO | Unchanged | 512K | Feb 17, 2026 |
| UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGMENT CO | Unchanged | 512K | May 7, 2026 |
| PROSIGHT MANAGEMENT, LP | Reduced | 443K | Feb 13, 2026 |
| CABLE CAR CAPITAL LLC | Unchanged | 420K | May 15, 2026 |
| CABLE CAR CAPITAL LLC | Unchanged | 420K | Feb 17, 2026 |
| PROSIGHT MANAGEMENT, LP | Reduced | 412K | May 15, 2026 |
| SIGMA PLANNING CORP | Increased | 349K | May 4, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 345K | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 285K | Feb 9, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.